The Terminator RPG pg138

 LASER BEAM WEAPONS

 Largely considered the dead end of energy
weapons, laser beam weapons are generally
precision weapons best suited to sniping
or cutting. For untrained infantry, lasers are
generally less useful than conventional weapons.
In the right mechanical hands, however, they
offer unparalleled range. With some specific
modifications, they can even be employed
underwater. In addition to standard laser beams,
laser weapons can also be used as counter
sensory blinding lasers. This is accomplished by merging the barrel on an L-3 Laser Rifle with a
rotating prism found in the stock assembly but in
a pinch laser cannon can be upgraded as well.